This Ralph Lauren Childrenswear set comes with a plaid cotton Oxford shirt and stretch-enhanced chino pants, each embroidered with the iconic Polo Pony. Size 9 months shirt has a 13.25 back body length and a 14.5 sleeve length Sleeve length is taken from the center back of the neck Size 9 months pants have a 5.5 rise, an 8.75 inseam, and a 9 leg opening By choosing Ralph Lauren's cotton products, you’re supporting the investment in the Better Cotton™ mission to help cotton communities survive and thrive while protecting and restoring the environment. This product is sourced via a mass balance system and therefore may not contain Better Cotton™. Visit bettercotton.org/learnmore for more information about mass balance